强激光与粒子束, 2006, 18 (9): 1499, 网络出版: 2007-01-11  

周期量级脉冲线性Thomson散射特性

文章编 牛 /strong>1001-4322(2006)09-1499-05
作者单位
1 北京工业大学,应用数理学院,北京100022
2 北京大学,信息学院,量子电子研究所,北京,100871
摘要
利用经典电磁辐射理论研究周期量级线偏振激光脉冲的90°Thomson线性散射.结果表明,脉冲所包含的光周期数越少,散射能谱越宽,谱中心处强度越小;谱宽度与电子相对论因子的平方及入射光脉冲频率成正比;谱强度与归一化光场强度和相对论因子乘积的平方均成正比,载波包络函数使光场中电子运动的时间和空间周期减小;进一步展宽散射能谱,使谱对称性变好,消除散射谱振荡;低于某一频率时,谱强度随载波包络初相的增大而减小,高于此频率时,谱强度随载波包络初相的增大而增大;电子进入光场初相的增大削弱了散射谱的强度.
Abstract
参考文献

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张鹏, 宋晏蓉, 张志刚. 周期量级脉冲线性Thomson散射特性[J]. 强激光与粒子束, 2006, 18(9): 1499. 张鹏, 宋晏蓉, 张志刚. 文章编 牛 /strong>1001-4322(2006)09-1499-05[J]. High Power Laser and Particle Beams, 2006, 18(9): 1499.

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